Class: QgsImageFetcher¶
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class
qgis.core.
QgsImageFetcher
(parent: QObject = None)¶ Bases:
PyQt5.QtCore.QObject
Constructor
Handles asynchronous download of images
New in version 2.8.
- Parameters
parent –
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childEvent
(self, QChildEvent)¶
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connectNotify
(self, QMetaMethod)¶
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customEvent
(self, QEvent)¶
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disconnectNotify
(self, QMetaMethod)¶
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error
¶ Emitted when an error occurs [signal]
- Parameters
msg (str) –
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finish
¶ Emitted when the download completes
- Parameters
legend (QImage) – The downloaded legend image [signal]
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isSignalConnected
(self, QMetaMethod) → bool¶
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progress
¶ Emitted to report progress [signal]
- Parameters
received (int) –
total (int) –
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receivers
(self, PYQT_SIGNAL) → int¶
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sender
(self) → QObject¶
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senderSignalIndex
(self) → int¶
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start
(self)¶ Starts the image download
Note
Make sure to connect to “finish” and “error” before starting
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timerEvent
(self, QTimerEvent)¶